A hair dryer is connected across a 64 V outlet.  The resistance of the hair dryer is 43 Ω. a) What is the current? b) How much power is dissipated? c) How much thermal energy is released after 5 minutes?

Q: The force F = (5.89 N)i + (7.5 N)j acts on a particle as it moves along a straight line from…

A: Givenforce, f→=5.89 i^+7.5 j^coordinates are (1.77 , 1.31) and (8.81 , 8.03)displacement vector for…

Q: 1. A solenoid is 40 cm long, has a diameter of 3 cm, and is wound with 420 turns. If the current…

A: When a question with multiple subparts is given then, according to the guidelines, only the first…

Q: A 19.5 kg package is released from rest down a 30.0° chute. When the package reaches the bottom it…

A: Only the first will be answered. Please post separately for the next question. Given: Mass m1 =19.5…

Q: A 2.2×104 kg rocket has a rocket motor that generates 2.7×105 N of thrust. Part A What is the…

A:

Q: Magnetic Force Acting on a Sliding Bar The conducting bar illustrated in the figure moves on two…

A: The conducting bar moves on two frictionless, parallel rails in the presence of a uniform magnetic…

Q: MULTIPLE CHOICE Question 3 The chart below ranks objects based on their tendency to gain or lose…

A: Given data: Tendency to lose electrons of a body is large means it can easily give electrons to…

Q: or disprove the existence of Santa Claus by determining how long it will take to carry Santa's…

A:

Q: E is not correct

A:

Q: A small 0.220-kg object moves on a frictionless horizontal table in a circular path of radius 4.80…

A: Given data: The object's mass is m=0.220 kg The radius, ri=4.80 m The angular speed is ωi=3.02…

Q: A lamp is connected to 120 V generator and dissipates 60 W.  What is the resistance in the lamp?…

A: Given: Voltage (V) = 120 V Power (P) = 60 W To find: Resistance (R) of the lamp.

Q: What is the momentum of a 450 kg object moving at 28.3 m/s?

A: mass=450 kg v= 28.3 m/s We need to find Momentum

Q: t is the minimum time to go to Mars (min. distance 78.3 x 10^6 km)(1 km = 1000 m) if the rocket…

A: Distance of mars                          d = 78.3 × 106 km  Speed pf rocket…

Q: 1. The rectangular loop with 5 turns and length 1-2.9 m shown below moves to the right with a…

A:

Q: The two bodies have the masses and initial velocities shown in the figure. The coefficient of…

A:

Q: Compare the kinetic energy of a 21,500 kg truck moving at 150 km/h with that of an 82.5 kg astronaut…

A: Given data: Mass of truck (mt) = 21,500 kg Velocity of truck (vt) = 150 km/h Mass of astronaut (ma)…

Q: A 1400 kg steel beam is supported by two ropes. (Figure 1) Rope 1 20° 30° Rope 2 Part A What is the…

A: mass of beam (m) = 1400 kg Let the tension in rope 1 = T1Let the tension in rope 2 = T2θ1 = 20oθ2 =…

Q: An electric drill starts from rest and rotates with a constant angular acceleration. After the drill…

A:

Q: 3. The figure shows an object and the image created by a lens. The grid lines are Icm apart. d = d;…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: An earthquake wave travelling with a speed of 5.00 x 103 m/s has a frequency of 8.00 Hz. What is its…

A: The speed of the wave is 5.00×103 m/s. The frequency of the wave is 8.00 Hz.

Q: How much electric flux is contained in a uniform electric field with 3576 N/C parallel to a square…

A: The magnitude of the electric field is 3576 N/C. The area of the surface is 62 m2.

Q: (b) 10 cm from one end of the solenoid, and ✔T (c) 5 cm from one end of the solenoid? B= B = Br= T…

A: Given Data: Length of solenoid (L) = 40 cm = 0.4 m.Diameter (D) = 3 cm= 0.03 m.Number of turns (n) =…

Q: Review Conceptual Example 2 before attempting this problem. The moon has a diameter of 3.48 x 106 m…

A: Determine the angle subtended by moon and  sun

Q: A shopper pushes a grocery cart for a distance 21.5 m at constant speed on level ground, against a…

A:

Q: Chapter 11 Rotational Equilibrium 2. To remove a nut from an old rusty bolt, you apply a 100-N force…

A:

Q: Two vehicles are approaching an intersection. One is a 2600 kg pickup traveling at 16.0 m/s from…

A: Answer the following question is

Q: A q₁ = 2.0 nC point charge is fixed at the origin. The electric potential at infinity is 0 V. What…

A:

Q: rt A That is the passenger's weight before the elevator starts moving? xpress your answer with the…

A: Givent=5 s (time of motion)u=0 (initial speed of elevator)v=12 m/s (final speed of elevator)m=65 Kg…

Q: a.The fixed field of G is a subfield of F. b.  If the focal distance of an end of theminor axis of…

A: a) Assuming that F is a field and G is a subgroup of the group of automorphisms of F, then the fixed…

Q: Calculate the change in blood pressure of the blood flowing through artery (assume frictionless flow…

A:

Q: 2. In each case below, determine the following: a) the normal force, N b) the friction force, f if μ…

A: Mass of the block, m=50 kg The coefficient of friction, μ=0.10

Q: If I double the number of loops of wire in an electromagnetic coil, the magnetic field will A)…

A:

Q: An infinitely long line of charge has a linear charge density of 4.50x10-12 C/m. A proton is at…

A:

Q: a semiconductor a good example to illustrate the contrast between a conductor and an insulator? A…

A: Is a semiconductor a good example to illustrate the contrast between a conductor and an insulator?

Q: Suppose you are working for the military to spy on a someone. You want to be able to take pictures…

A: To resolve objects of 10cm size using visible light,we can follow rayleigh criteria which says…

Q: Two capacitors of capacitance C₁ = 500 nF and C₂ = 1.5 µF are connected in parallel across a cell…

A:

Q: A 7,800 kg space capsule is 150 m above the Moon. If the Moon has a gravitational acceleration of…

A:

Q: You have a light spring which obeys Hooke's law. This spring stretches 3.22 cm vertically when a…

A: Given data: The mass is m = 2.00 kg The displacement in the spring is x =3.22 cm (a) The force…

Q: The lens-to-retina distance of a woman is 2.04 cm, and the relaxed power of her eye is 53.8 D. (a)…

A:

Q: In an experiment, students were testing their hearing range and found that it averaged about 24.5 Hz…

A:

Q: block of mass m = 2.5 kg is attached to a spring with spring constant k = 930 N/m. It is initially…

A:

Q: a Given a star formation rate of 50 M yr−1, what is the measured Hα flux, in erg/sec? b What types…

A: A. To calculate the measured Hα flux we need to use the Kennicutt-Schmidt relation which relates the…

Q: A guitarist sounds a tuner at 198 Hz while her guitar sounds a frequency of 193 Hz. Find the beat…

A: let f be frequency f1=198Hzf2=193 Hz

Q: Use direct integration to find the centroid of the area shown in terms of a and h. y = kx² (a,h) X

A:

Q: If the boat is going upstream against a current that has a force of 250 N against the motion of the…

A: Given data : Mass of boat , m= 220 kg Forward force , F = 360 N Backward force , FB = 250 N Using…

Q: A circuit is constructed with four resistors, one capacitor, one battery and a switch as shown. The…

A: After switch is closed for long time, capacitor is fully charged and it acts as an open circuit and…

Q: In an L-C circuit, L=85.0 mH and C=3.20 μF. During the oscillations the maximum current in the…

A: Given, The inductance of the inductor, L=85.0 mH=85.0×10-3 H The capacitance of the capacitor,…

Q: 4. A projector has a 0.010m tall LCD display, which is projected onto a screen by its lens. The…

A: The magnification of lens,  m = h'/h = v/u Where m= magnification h’= height of the image h = height…

Q: Two small plastic spheres are given positive electrical charges. When they are 15.0 cm apart,the…

A:

Q: A 4.0 × 10¹ kg spaceship is at rest in deep space. Its thrusters provide a force of 1200 kN. The…

A:

Q: A proton is placed in a uniform electric field of 3.83 × 103 N/C. Calculate the magnitude of the…

A: